2561110960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{1429}}^1$

素因数の和:2006

約数の個数: 80

約数和(自身を含む): 6109028640

約数和(自身を除く): 3547917680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 521, 688, 860, 1042, 1429, 1720, 2084, 2605, 2858, 3440, 4168, 5210, 5716, 7145, 8336, 10420, 11432, 14290, 20840, 22403, 22864, 28580, 41680, 44806, 57160, 61447, 89612, 112015, 114320, 122894, 179224, 224030, 245788, 307235, 358448, 448060, 491576, 614470, 744509, 896120, 983152, 1228940, 1489018, 1792240, 2457880, 2978036, 3722545, 4915760, 5956072, 7445090, 11912144, 14890180, 29780360, 32013887, 59560720, 64027774, 128055548, 160069435, 256111096, 320138870, 512222192, 640277740, 1280555480, 2561110960]

約数ペア:

[(1, 2561110960), (2, 1280555480), (4, 640277740), (5, 512222192), (8, 320138870), (10, 256111096), (16, 160069435), (20, 128055548), (40, 64027774), (43, 59560720), (80, 32013887), (86, 29780360), (172, 14890180), (215, 11912144), (344, 7445090), (430, 5956072), (521, 4915760), (688, 3722545), (860, 2978036), (1042, 2457880), (1429, 1792240), (1720, 1489018), (2084, 1228940), (2605, 983152), (2858, 896120), (3440, 744509), (4168, 614470), (5210, 491576), (5716, 448060), (7145, 358448), (8336, 307235), (10420, 245788), (11432, 224030), (14290, 179224), (20840, 122894), (22403, 114320), (22864, 112015), (28580, 89612), (41680, 61447), (44806, 57160)]